Pregnancy is an important period that every woman may experience, and B-ultrasound is a commonly used examination method to confirm pregnancy and understand the condition of the fetus. However, in some cases, an ultrasound may not accurately show pregnancy, which may cause some women to feel confused and anxious. This article will introduce some situations that may cause B-ultrasound to fail to detect pregnancy and provide some solutions. 1. Pregnancy time is too short: B-ultrasound examination can generally accurately display fetal and fetal heart activity after 5-6 weeks of pregnancy. If the pregnancy is short, the B-ultrasound may not be able to detect the presence of the fetus. In this case, it is recommended to wait for a period of time before performing a B-ultrasound examination, which can usually accurately display the fetal condition at 8-10 weeks of pregnancy. 2. Poor fetal position: Sometimes, the fetus may be located deep in the uterus or low in the placenta, so the B-ultrasound probe may not be able to directly touch the fetus, causing the pregnancy to be unable to be displayed. In this case, your doctor may recommend other tests, such as a vaginal ultrasound, to more accurately confirm pregnancy. [The most complete and best sound quality in history] 32 sets of 100 must-listen late pregnancy music for free listening 3. Intrauterine effusion or uterine fibroids: The presence of intrauterine effusion or uterine fibroids may interfere with the B-ultrasound examination results. Pregnancy status cannot be shown. Both conditions usually require further testing and treatment to ensure the safety and health of the fetus. 4. Improper technical operation: B-ultrasound is a highly technical examination method. If it is improperly operated or the equipment is not advanced enough, the B-ultrasound may not be able to accurately display the pregnancy status. When conducting B-ultrasound examination, it is recommended to choose a regular medical institution and an experienced doctor to ensure the accuracy of the examination results. For situations where pregnancy cannot be detected by B-ultrasound, it is recommended that women not be too anxious and worried and can try other examination methods to confirm pregnancy. In addition to B-ultrasound, there are other commonly used examination methods, such as blood tests and urine tests, which can determine whether you are pregnant by detecting specific hormone levels in the human body. In addition, women should pay attention to the adjustment of diet and living habits in the early stages of pregnancy, and maintain a good attitude and positive mood. Follow your doctor\’s advice, have regular prenatal checkups, and consult your doctor promptly to resolve any questions and confusion. In short, if pregnancy cannot be detected by B-ultrasound, it may be due to reasons such as too short pregnancy time, poor fetal position, intrauterine fluid accumulation or uterine fibroids. It is recommended that women try other means of examination to confirm pregnancy and maintain a good attitude and positive living habits. If you have any questions or confusion, you should consult your doctor promptly.